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Re: bug#9140: Coreutils Bug on OSX 10.7 (Lion)
From: |
Jim Meyering |
Subject: |
Re: bug#9140: Coreutils Bug on OSX 10.7 (Lion) |
Date: |
Fri, 22 Jul 2011 20:15:58 +0200 |
Paul Eggert wrote:
> Thanks for the further information about the problem with MacOS X 10.7.
> Can you please try this patch? If you don't have autotools installed,
> you can edit 'configure' by hand and install a similar patch there.
> Thanks.
>
> I have pushed this into gnulib as it seems pretty simple. The basic
> idea is to avoid statvfs on MacOS X because its block counts can't
> go above 2**31.
>
> Subject: [PATCH 3/3] fsusage: port to MacOS X 10.7 with 4 TiB file systems
>
> * m4/fsusage.m4 (gl_FILE_SYSTEM_USAGE): Reject statvfs
> implementations that use only 32 bits to count blocks.
> On typical hosts with 1024-byte blocks, this fails with file
> systems as small as 4 TiB. Problem reported by Herb Wartens
> <http://debbugs.gnu.org/9140> and this should also fix a similar
> problem reported by Tim Spriggs <http://debbugs.gnu.org/7355>.
...
> +/* Reject implementations, such as MacOS X 10.7, where f_blocks is a
> + 32-bit quantity; that commonly limits file systems to 4 TiB, a
> + ridiculously small limit these days. */
> +struct statvfs fsd;
> +int check_f_blocks_size[sizeof fsd.f_blocks * CHAR_BIT <= 32 ? -1 : 1];
> +]],
Nice. That looks like it will do the job, and since all statvfs
implementations have the f_blocks member, it should be safe.
Thanks.
- Re: bug#9140: Coreutils Bug on OSX 10.7 (Lion), Paul Eggert, 2011/07/22
- Re: bug#9140: Coreutils Bug on OSX 10.7 (Lion),
Jim Meyering <=
- Re: bug#9140: Coreutils Bug on OSX 10.7 (Lion), Bruno Haible, 2011/07/23
- fsusage: add large volume support on glibc/Hurd, HP-UX 11, Solaris, MacOS X, Bruno Haible, 2011/07/23
- fsusage: revert unintended change on AIX, Cygwin, Interix, Bruno Haible, 2011/07/23
- Re: bug#9140: Coreutils Bug on OSX 10.7 (Lion), Jim Meyering, 2011/07/23
- fsusage: add large volume support on AIX, Bruno Haible, 2011/07/23